*{
    margin: 0;
    padding: 0;
}
.banner{
    margin: 5px;
    height: 70px;
    width: 100%;
    position: absolute;
    border-width: 1px;
    border-color: black;
}
.bannerleft,.bannerright{
    float: left;
}
.bannerleft{
    width: 50%;
}
.bannerright{
    width: 50%;
}
.header,.bannerList,.searchInput,.clickQuestion{
    float: left;
    justify-content: center;
    align-items: center;
    position: relative;
    display: flex;
}
.header{
    height: 60px;
    font-size: 28px;
    color: rgba(3, 83, 188, 0.829);
    margin-left: 100px;
}
.bannerList{
    height: 60px;
}
.message{
    text-decoration-line:none;
    color: #686767;
    margin-left: 25px;
}
.searchInput{
    height: 60px;
}
.clickQuestion{
    height: 10px;
}